

base_table="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
flag="khzj0m{9caZ87VV-8X77-WW/+-78Wa-eZVdaYYe9/dZ}"
result =""
for i in range(len(flag)):
    if flag[i] in base_table:
        result +=base_table[(base_table.index(flag[i])-33)%64]
    else:
        result +=flag[i]
print(result)

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